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Station details:
================

Code: KOT
Latitude:  29.92760
Longitude:   31.82920
Elevation:   507.0
Depth: 
Name: Kottamia
Region: Egypt
Status: 

        
Arrival picks statistics
Travel Time Analysis
On the top graph every dot represents the median residual for one month of data. The green line is the overall median; the orange line shows the standard deviation (smad) based on the median absolute deviation (mad), whilst the red line shows twice the standard deviation (2 * smad).
The bottom graph shows the number of residuals for each month. The red columns show the number of residuals whose median (for that month) is outside two standard deviations from the overall median (2 * smad).
Red dots indicate a possible clock error.
 

Station comments:
=================

Updated lat/lon/elev

Data at the ISC for 31 years between 1987 and 2024.

Known station history:
======================

First and Last use refers to the time period in which the coordinates were used by the ISC.

Code   Station name/Region                                           Latitude  Longitude Elevation   Depth  First use   Last use
================================================================================================================================

KOT    Kottamia                                                      29.93000   31.83000                   25-08-1999 19-01-2006  
       Egypt